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Algorithms & Programs: Worksheet

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About this resource

A three-page unplugged worksheet that introduces the heart of KS1 computing — algorithms and programs — without needing a screen. Page 1 builds the concept of an algorithm by asking children to write step-by-step instructions for an everyday task (making toast). Page 2 introduces debugging — finding and fixing the bug in a set of broken instructions. Page 3 has children program a robot to navigate a grid using arrow commands.

These three pages map directly to NC requirements 1 (algorithms), 2 (debugging), and 3 (predicting behaviour). Answer key included with notes on multiple valid solutions — programming nearly always has more than one right answer.

What you'll learn

  • Creating & debugging simple programs DfE NC Computing KS1 req 2
  • Predicting program behaviour DfE NC Computing KS1 req 3
  • What is an algorithm? DfE NC Computing KS1 req 1

Inside this resource

  • 3 printable pages
  • Answer key included

For the student — how to do this

You're going to complete a printable activity sheet about computing. It should take about 15 minutes. Take your time — there's no rush. If you get stuck, ask a grown-up.

For parents and carers

This is a printable activity sheet for Key Stage 1 computing — about 15 minutes of focused activity. Your child can complete this on their own or with you alongside. There's no pressure to finish in one sitting.

Their best score, the time taken, and any answers they got wrong will all be saved automatically to your dashboard so you can see how they're getting on.

For teachers and tutors

A a printable activity sheet aligned to the DfE National Curriculum for Key Stage 1 computing. Use as a standalone activity, a homework task, or a lesson plenary.

Pupils' completion data and assessment scores flow into the class dashboard so you can spot who needs support and on which sub-topic.

How to check the work

Compare the child's answers to the answer key (where one is included). For activities without a single right answer — drawings, reflections, or open-ended writing — talk through what they did and why. Process matters as much as outcome.

Progress is tracked automatically. Create a free account to keep your progress, see your improvement, and track every activity on a personal dashboard.

Related modules on this topic

More topics in Key Stage 1

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